From 3bef0b835a03f868eda0f5097d93daed2a42a8fe Mon Sep 17 00:00:00 2001
From: Teo Mrnjavac <teo@kde.org>
Date: Mon, 25 Aug 2014 15:02:09 +0200
Subject: [PATCH] Check for mains power in prepare viewmodule.
---
src/modules/prepare/PrepareViewStep.cpp | 62 +++++++++++++++++++++++--
src/modules/prepare/PrepareViewStep.h | 1 +
2 files changed, 60 insertions(+), 3 deletions(-)
diff --git a/src/modules/prepare/PrepareViewStep.cpp b/src/modules/prepare/PrepareViewStep.cpp
index 86174a1534..174c4b9e17 100644
--- a/src/modules/prepare/PrepareViewStep.cpp
+++ b/src/modules/prepare/PrepareViewStep.cpp
@@ -28,6 +28,8 @@
#include <QBoxLayout>
#include <QDBusConnection>
#include <QDBusInterface>
+#include <QDir>
+#include <QFileInfo>
#include <QLabel>
#include <QProcess>
@@ -231,22 +233,76 @@ PrepareViewStep::checkEnoughRam( qint64 requiredRam )
bool
-PrepareViewStep::checkHasPower()
+PrepareViewStep::checkBatteryExists()
{
+ const QFileInfo basePath( "/sys/class/power_supply" );
+
+ if ( !( basePath.exists() && basePath.isDir() ) )
+ return false;
+
+ QDir baseDir( basePath.absoluteFilePath() );
+ foreach ( auto item, baseDir.entryList( QDir::AllDirs |
+ QDir::Readable |
+ QDir::NoDotAndDotDot ) )
+ {
+ QFileInfo typePath( baseDir.absoluteFilePath( QString( "%1/type" )
+ .arg( item ) ) );
+ QFile typeFile( typePath.absoluteFilePath() );
+ if ( typeFile.open( QIODevice::ReadOnly | QIODevice::Text ) )
+ {
+ if ( typeFile.readAll().startsWith( "Battery" ) )
+ return true;
+ }
+ }
+
return false;
}
+bool
+PrepareViewStep::checkHasPower()
+{
+ const QString UPOWER_SVC_NAME( "org.freedesktop.UPower" );
+ const QString UPOWER_INTF_NAME( "org.freedesktop.UPower" );
+ const QString UPOWER_PATH( "/org/freedesktop/UPower" );
+
+ if ( !checkBatteryExists() )
+ return true;
+
+ cDebug() << "A battery exists, checking for mains power.";
+ QDBusInterface upowerIntf( UPOWER_SVC_NAME,
+ UPOWER_PATH,
+ UPOWER_INTF_NAME,
+ QDBusConnection::systemBus(), 0 );
+
+ bool onBattery = upowerIntf.property( "OnBattery" ).toBool();
+
+ if ( !upowerIntf.isValid() )
+ {
+ // We can't talk to upower but we're obviously up and running
+ // so I guess we got that going for us, which is nice...
+ return true;
+ }
+
+ // If a battery exists but we're not using it, means we got mains
+ // power.
+ return !onBattery;
+}
+
+
bool
PrepareViewStep::checkHasInternet()
{
+ const QString NM_SVC_NAME( "org.freedesktop.NetworkManager" );
const QString NM_INTF_NAME( "org.freedesktop.NetworkManager" );
+ const QString NM_PATH( "/org/freedesktop/NetworkManager" );
const int NM_STATE_CONNECTED_GLOBAL = 70;
- QDBusInterface nmIntf( "org.freedesktop.NetworkManager",
- "/org/freedesktop/NetworkManager",
+ QDBusInterface nmIntf( NM_SVC_NAME,
+ NM_PATH,
NM_INTF_NAME,
QDBusConnection::systemBus(), 0 );
+
bool ok = false;
int nmState = nmIntf.property( "state" ).toInt( &ok );
diff --git a/src/modules/prepare/PrepareViewStep.h b/src/modules/prepare/PrepareViewStep.h
index a29fc82de2..b01f9c62b5 100644
--- a/src/modules/prepare/PrepareViewStep.h
+++ b/src/modules/prepare/PrepareViewStep.h
@@ -58,6 +58,7 @@ public:
private:
bool checkEnoughStorage( qint64 requiredSpace );
bool checkEnoughRam( qint64 requiredRam );
+ bool checkBatteryExists();
bool checkHasPower();
bool checkHasInternet();
--
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